50721795

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 98794080

約数和(自身を除く): 48072285

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 81, 85, 135, 139, 153, 159, 255, 265, 405, 417, 459, 477, 695, 765, 795, 901, 1251, 1377, 1431, 2085, 2295, 2363, 2385, 2703, 3753, 4293, 4505, 6255, 6885, 7089, 7155, 7367, 8109, 11259, 11815, 13515, 18765, 21267, 21465, 22101, 24327, 35445, 36835, 40545, 56295, 63801, 66303, 72981, 106335, 110505, 121635, 125239, 191403, 198909, 319005, 331515, 364905, 375717, 596727, 626195, 957015, 994545, 1127151, 1878585, 2983635, 3381453, 5635755, 10144359, 16907265, 50721795]

約数ペア:

[(1, 50721795), (3, 16907265), (5, 10144359), (9, 5635755), (15, 3381453), (17, 2983635), (27, 1878585), (45, 1127151), (51, 994545), (53, 957015), (81, 626195), (85, 596727), (135, 375717), (139, 364905), (153, 331515), (159, 319005), (255, 198909), (265, 191403), (405, 125239), (417, 121635), (459, 110505), (477, 106335), (695, 72981), (765, 66303), (795, 63801), (901, 56295), (1251, 40545), (1377, 36835), (1431, 35445), (2085, 24327), (2295, 22101), (2363, 21465), (2385, 21267), (2703, 18765), (3753, 13515), (4293, 11815), (4505, 11259), (6255, 8109), (6885, 7367), (7089, 7155)]